What Size Pushrods Do I Need?

stangboy

Founding Member
Aug 31, 1999
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New Orleans, LA
I know I have to buy a pushrod length checker to see what length pushrod I need but what diameter do I need. There are also different length checkers. I don't know which one of those to get either. What do I need?
 
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stock are 5/16 diameter. You could use a set of 3/8 with 5/16 ends to fit into the stock lifter cup end, but it is not a direct bolt in and IMO you are fine with a set of 5/16 hardened ones that are at least .100 wall diameter.

For a length checker, you can get them from Summit or Comp Cams. If you have a pedestal style setup, you probably will need shims a well. There are hundreds of tech articles on how to check for the proper length.